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target/m68k: add pflush/ptest

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Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180118193846.24953-7-laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2018-01-18 20:38:45 +01:00
parent 5fa9f1f283
commit e55886c334
6 changed files with 113 additions and 0 deletions
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33
target/m68k/translate.c
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@ -4661,6 +4661,35 @@ DISAS_INSN(cinv)
/* Invalidate cache line. Implement as no-op. */
}
#if defined(CONFIG_SOFTMMU)
DISAS_INSN(pflush)
{
TCGv opmode;
if (IS_USER(s)) {
gen_exception(s, s->insn_pc, EXCP_PRIVILEGE);
return;
}
opmode = tcg_const_i32((insn >> 3) & 3);
gen_helper_pflush(cpu_env, AREG(insn, 0), opmode);
tcg_temp_free(opmode);
}
DISAS_INSN(ptest)
{
TCGv is_read;
if (IS_USER(s)) {
gen_exception(s, s->insn_pc, EXCP_PRIVILEGE);
return;
}
is_read = tcg_const_i32((insn >> 5) & 1);
gen_helper_ptest(cpu_env, AREG(insn, 0), is_read);
tcg_temp_free(is_read);
}
#endif
DISAS_INSN(wddata)
{
gen_exception(s, s->insn_pc, EXCP_PRIVILEGE);
@ -5854,6 +5883,8 @@ void register_m68k_insns (CPUM68KState *env)
INSN(cpushl, f428, ff38, CF_ISA_A);
INSN(cpush, f420, ff20, M68040);
INSN(cinv, f400, ff20, M68040);
INSN(pflush, f500, ffe0, M68040);
INSN(ptest, f548, ffd8, M68040);
INSN(wddata, fb00, ff00, CF_ISA_A);
INSN(wdebug, fbc0, ffc0, CF_ISA_A);
#endif
@ -6056,6 +6087,8 @@ void m68k_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
cpu_fprintf(f, "DTTR0/1: %08x/%08x ITTR0/1: %08x/%08x\n",
env->mmu.ttr[M68K_DTTR0], env->mmu.ttr[M68K_DTTR1],
env->mmu.ttr[M68K_ITTR0], env->mmu.ttr[M68K_ITTR1]);
cpu_fprintf(f, "MMUSR %08x, fault at %08x\n",
env->mmu.mmusr, env->mmu.ar);
#endif
}